<template>
	<view>
	<view class="smart-panel-head">
		<view class="smart-panel-head-title">text文本组件</view>
	</view>
	<view class="smart-padding-wrap">
		<text space="ensp" class="text-space">A&nbsp;&emsp;B   C  \n</text>
		<text space="emsp" class="text-space">A&nbsp;&emsp;B   C  \n</text>
		<text space="nbsp" class="text-space">A&nbsp;&emsp;B   C  \n</text>
		<view class="text-box">
			<text selectable="true">{{text}}</text>
		</view>
		<button type="primary" :disabled="!canAdd" @click="add">ADD Line</button>
		<button type="warn" :disabled="!canRemove" @click="remove">Eemove Line</button>
	</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				texts: [
					'HBuilder,400万开发者选择的IDE',
					'Hbuilder,轻巧，急速，极客编辑器',
					'Hbuilder,终极跨平台方案',
					'HBuilder,400万开发者选择的IDE',
					'Hbuilder,轻巧，急速，极客编辑器',
					'Hbuilder,终极跨平台方案',
					'HBuilder,400万开发者选择的IDE',
					'Hbuilder,轻巧，急速，极客编辑器',
					'Hbuilder,终极跨平台方案',
					'......'
				],
				text:'',
				canAdd: true,
				canRemove: false,
				extraLine:[]
				
			}
		},
		methods: {
			add: function(e) {
				this.extraLine.push(this.texts[this.extraLine.length % 12]);
				this.text = this.extraLine.join('\n');
				this.canAdd = this.extraLine.length < 12;
				this.canRemove = this.extraLine.length > 0;
			},
			remove: function(e) {
				if (this.extraLine.length > 0) {
					this.extraLine.pop();
					this.text = this.extraLine.join('\n');
					this.canAdd = this.extraLine.length < 12;
					this.canRemove = this.extraLine.length > 0;
				}
			}
			
		}
	}
</script>

<style>

</style>
